DTC 21, 22, 23, 24: Tire Pressure Sensor Abnormally High Temperature
WARNING: This page is about a different car, the 2013 Acura MDX, 2012 Acura MDX, 2011 Acura MDX, and 2010 Acura MDX. However, it is still accessible from the selected car via links, so may be relevant.
- Turn the ignition switch to ON (II).
- Check the tire indicated by the DTCs you retrieved.NOTE: An abnormal rise in the internal temperature of the tires can be caused by:
- Excessive braking
- Failure to release the parking brake (rear tires only)
- Leaving the vehicle running while parked
- Improper assembly of a wheel and tire
DTC Tire Location 21 Right-Front 22 Left-Front 23 Right-Rear 24 Left-Rear - Turn the ignition switch to LOCK (0).
- Make sure the tires have cooled down.
- Turn the ignition switch to ON (II).
Does the TPMS indicator go off within one minute?
YES -The system is OK at this time. Clear the DTC with the HDS.
NO -Go to step 6.
- Check the RF, LF, RR, or LR TIRE PRESSURE SENSOR TEMPERATURE in the TPMS DATA LIST with the HDS.NOTE: If UNDEFINED is shown on the sensor transmitter status, turn the ignition switch to LOCK (0), rotate the tire 1/4 turn, then turn the ignition switch to ON (II), and try again. If UNDEFINED is still displayed, repeat this procedure until NORMAL is shown.
Is 176°F (80°C) or more indicated?
YES -Replace the appropriate tire pressure sensor (see TIRE PRESSURE SENSOR REPLACEMENT ).
NO -Check for loose terminals and poor connections at the TPMS control unit. If necessary, substitute a known-good TPMS control unit (see TPMS CONTROL UNIT REPLACEMENT ), and recheck.